we're just reminded what an extraordinary and inspiring man mr. mandela was. >> david cameron said he was a hero of our time. >>> no one claiming responsibility yet for killing an american teacher in libya. someone shot and killed ronnie smith as he was jogging near the american consulate in benghazi. smith taught chemistry at an international school there. he was killed five days after an al qaeda group called on libyans to attack american interests to avenge u.s. special forces taking an al qaeda suspect in tr tripoli in october. >>> this gym teacher in loudoun county will not be in school today. gregory winchin is on leave. a staffer at cedar lane he wi elementary in ashburn thought he was acting strange during class yesterday. deputies arrested him for alcohol possession on school property and driving u the influen influence. students were never in danger. >>> the loudoun county sheriff's department is look iing for the person responsible for a reported burglary and assault. police say it happened in the university station area of ashburn arou